#!/usr/bin/env python
#coding=utf-8

'makeTextFile.py -- create text file'

import os
ls = os.linesep# 将常用的模块属性替换为一个本地引用  换行符

while True:
	fname = raw_input("Enter file name: \n")
	if os.path.exists(fname):
		print "ERROR: '%s' already exists " % fname
	else:
		break


# get file const (text) lines
all = []
print "\n Enter lines ('.' by itself to quit).\n"

# loop until user terminates input
while True:
	entry = raw_input('> ')
	if entry == '.':
		break
	else:
		all.append(entry)

# write lines to file with proper line-ending
fobj = open(fname, 'w')
fobj.writelines(['%s%s' % (x, ls) for x in all])
fobj.close()
print 'DONE!'